.app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

.top {
  flex: 0;
  border-bottom: solid 1px var(--adm-border-color);
  text-align: center;
  font-weight: bolder;
  font-size: large;
  line-height: 40px;
}

.body {
  flex: 1;
  display: flex;
  justify-content: center;
  //align-items: center;
  padding: 20px;
}

.bottom {
  flex: 0;
  border-top: solid 1px var(--adm-border-color);
}
